Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May 02, 2015	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Numerator:
Net loss	$ (11,153,000)	$ (873,000)	$ 1,518,000	$ 2,581,000	$ 1,384,000	$ 1,546,000	$ 1,928,000	$ 3,571,000	$ (7,927,000)	$ 8,433,000	$ 9,820,000
Income, Dilutive earnings									$ (7,927,000)	$ 8,433,000	$ 9,820,000
Denominator:
Denominator for net income per common share — weighted average shares									9,424	8,674	8,429
Effect of dilutive securities-stock options (in shares)										188	114
Adjusted weighted average shares and assumed exercises									9,424	8,862	8,543
Per Share Amount
Basic earnings (in dollars per share)	$ (0.97)	$ (0.10)	$ 0.17	$ 0.30	$ 0.16	$ 0.18	$ 0.22	$ 0.42	$ (0.84)	$ 0.97	$ 1.17
Effect of dilutive securities - stock options										$ 0.02	$ 0.02
Dilutive earnings (in dollars per share)	$ (0.97)	$ (0.10)	$ 0.17	$ 0.29	$ 0.16	$ 0.17	$ 0.22	$ 0.41	$ (0.84)	$ 0.95	$ 1.15
Anti-dilutive shares
Number of anti-dilutive shares									1,200	200	800